RA/DEC (2000)
09:52:39.836 -11:54:19.07
148.165983261 -11.9052985264
Type
SN Ia
Redshift
0.044
Discovery ReportClassification Report
Reporting Group
GOTO
Discovering Data Source
GOTO
Discovery Date
2026-02-04 12:38:32.928
TNS AT
Y
Public
Y
Discovery Mag
17.74
Filter
L-GOTO
Reporter/s
G. Ramsay, D. O'Neill, K. Ackley, M. Dyer, J. Lyman, K. Ulaczyk, D. Steeghs, D. Galloway, V. Dhillon, P. O'Brien, K. Noysena, R. Kotak, R. Breton, J. Casares, L. Nuttall, R. Starling, B. Gompertz, B. Godson, T. Killestein, A. Kumar, M. Pursiainen, on behalf of GOTO collaboration
NEDSIMBADDECaLSPanSTARRS-1SkyMapperVizieRWISEDSSADS

Spectra

 ▌SN_2026ccr - 2026-02-05 18:51:48 Lijiang-2.4m / YFOSC (YNTS)z=
 ▌SN_2026ccr - 2026-02-05 01:49:54 LT / SPRAT (GOTO)z=
▌Show H at z=vexp= km/s
▌Show He at z=vexp= km/s
▌Show He II at z=vexp= km/s
▌Show C II at z=vexp= km/s
▌Show C III at z=vexp= km/s
▌Show C IV at z=vexp= km/s
▌Show N II at z=vexp= km/s
▌Show N III at z=vexp= km/s
▌Show N IV at z=vexp= km/s
▌Show N V at z=vexp= km/s
▌Show O at z=vexp= km/s
▌Show [O I] at z=vexp= km/s
▌Show O II at z=vexp= km/s
▌Show [O II] at z=vexp= km/s
▌Show [O III] at z=vexp= km/s
▌Show O V at z=vexp= km/s
▌Show O VI at z=vexp= km/s
▌Show Na at z=vexp= km/s
▌Show Mg at z=vexp= km/s
▌Show Mg II at z=vexp= km/s
▌Show Si II at z=vexp= km/s
▌Show S II at z=vexp= km/s
▌Show Ca II at z=vexp= km/s
▌Show [Ca II] at z=vexp= km/s
▌Show Fe II at z=vexp= km/s
▌Show Fe III at z=vexp= km/s
▌Show Å at z=vexp= km/s
▌Show Å at z=vexp= km/s
▌Show Å at z=vexp= km/s
▌Show Å at z=vexp= km/s
▌Show Tellurics 
▌Show Galaxy lines at z=
▌Show WR-WN at z=vexp= km/s
▌Show WR-WC/O at z=vexp= km/s
z-step:   v-step: 
   Binning factor: (rounded to nearest integer >1)
Mouse hovers at WL: 0 (rest),0 (observed)

Light curves

 ▌GOTO-S_GOTO-3_L
 ▌PS2_GPC2_w
 ▌ATLAS-STH_ATLAS-03_orange
 ▌GOTO-N_GOTO-1_L
 ▌P48_ZTF-Cam_r
 ▌ATLAS-MLO_ATLAS-01_orange
   
Pointer position (MJD, Mag, Abs.Mag): (0.00, 0.00, 0.00)
Spectra
 ID Obs-date (UT) Tel / Inst Exp-Time Observer/s Reducer/s Group Spectrum ascii file Spectrum fits file Spec. Type Assoc. Groups End prop. period Remarks
22932 2026-02-05 18:51:48 Lijiang-2.4m / YFOSC Luhan Li Xinjie Luo YNTS tns_2026ccr_2026-02-05_18-51-48.235_Lijiang-2.4m_YFOSC_YNTS.dat Object
22921 2026-02-05 01:49:54 LT / SPRAT 1400 Robotic GOTO tns_2026ccr_2026-02-05_01-49-54.221_LT_SPRAT_GOTO.dat Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
L-GOTO GOTO-S_GOTO-3 2026-02-04 12:38:33 - 2026-02-04 12:38:33 2461076.026765 - 2461076.026765 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
555810 2026-02-04 12:38:33 2461076.026765 17.74 0.04 ABMag L-GOTO GOTO-S_GOTO-3 180
w-P1 PS2_GPC2 2026-02-21 09:41:13 - 2026-02-21 09:41:13 2461092.90362 - 2461092.90362 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
560968 2026-02-21 09:41:13 2461092.90362 17.39 0.01 22 ABMag w-P1 PS2_GPC2 45 Robot
orange-ATLAS ATLAS-STH_ATLAS-03 2026-02-01 01:48:32 - 2026-02-01 01:48:32 2461072.57537 - 2461072.57537 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
556033 2026-02-01 01:48:32 2461072.57537 18.25 ABMag orange-ATLAS ATLAS-STH_ATLAS-03 30 Robot [Last non detection]
L-GOTO GOTO-N_GOTO-1 2026-02-01 01:17:38 - 2026-02-01 01:17:38 2461072.553909 - 2461072.553909 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
555809 2026-02-01 01:17:38 2461072.553909 18.4 ABMag L-GOTO GOTO-N_GOTO-1 135 [Last non detection]
r-ZTF P48_ZTF-Cam 2026-01-31 07:56:34 - 2026-02-22 07:46:51 2461071.8309491 - 2461093.8242014 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
559977 2026-02-22 07:46:51 2461093.8242014 17.4247 0.051502 ABMag r-ZTF P48_ZTF-Cam
559976 2026-01-31 07:56:34 2461071.8309491 18.881 0.142806 ABMag r-ZTF P48_ZTF-Cam
orange-ATLAS ATLAS-MLO_ATLAS-01 2026-02-05 12:21:41 - 2026-02-05 12:21:41 2461077.01506 - 2461077.01506 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
556034 2026-02-05 12:21:41 2461077.01506 17.605 0.117 18.87 ABMag orange-ATLAS ATLAS-MLO_ATLAS-01 30 Robot
AT Reports
ID Time received (UT) Sender Reporter/s Reporting group Disc. Data Source RA DEC Discovery date (UT) Discovery Mag. Filter Related files AT Type Host name Internal name Assoc. Groups End prop. period Remarks ADS Bibcode Unreal Auto classification
292651 2026-02-24 01:33:17 PS1_Bot1 K. C. Chambers, T. de Boer, J. Fairlamb et al. Pan-STARRS Pan-STARRS 09:52:39.836 -11:54:19.07 2026-02-21 09:41:12.768 17.39 w-P1 PSN PS26aju Pan-STARRS N
292181 2026-02-22 08:03:19 Fritz Jesper Sollerman (SU), Christoffer Fremling (Caltech), Daniel Perley (LJMU) et al. ZTF ZTF 09:52:39.817 -11:54:19.66 2026-01-31 07:56:34.002 18.881 r-ZTF PSN ZTF26aaekgny ZTF N
290057 2026-02-06 00:47:05 ATLAS_Bot1 J. Tonry, L. Denneau, H. Weiland (IfA, University of Hawaii) et al. ATLAS ATLAS 09:52:39.842 -11:54:19.26 2026-02-05 12:21:41.184 17.605 orange-ATLAS PSN ATLAS26bjz ATLAS N
289956 2026-02-04 19:50:46 GOTO_bot G. Ramsay, D. O'Neill, K. Ackley et al. GOTO GOTO 09:52:39.828 -11:54:19.50 2026-02-04 12:38:32.928 17.74 L-GOTO Other GOTO26alf GOTO 2026TNSTR.468....1R N
Classification Reports
ID Time received (UT) Sender Classifier/s Group Classification Redshift Spectra Related files Assoc. Groups End prop. period Remarks ADS Bibcode
22931 2026-02-06 12:20:07 Luhan Li Bo Wang, Luhan Li, Xinjie Luo, Dongdong Liu, Shiyang Dong (YNAO) YNTS SN Ia 1 YNTS The spectrum obtained with LJT is similar to that of a young SN Ia at a redshift of approximately 0.04, based on the NGSF. 2026TNSCR.513....1W
Spectra
ID Obs-date (UT) Tel / Inst Exp-Time Observer/s Reducer/s Group Spectrum ascii file Spectrum fits file Spec. Type Assoc. Groups End prop. period Remarks
22932 2026-02-05 18:51:48 Lijiang-2.4m / YFOSC Luhan Li Xinjie Luo YNTS tns_2026ccr_2026-02-05_18-51-48.235_Lijiang-2.4m_YFOSC_YNTS.dat Object
22920 2026-02-05 13:46:01 Benjamin Godson B. Godson, J. Lyman, D. O'Neill, M. Pursiainen, K. Ackley, M. J. Dyer, K. Ulaczyk, S. Belkin, D. Steeghs, D. K. Galloway, V. Dhillon, P. O'Brien, G. Ramsay, K. Noysena, R. Kotak, R. P. Breton, L. K. Nuttall, B. Gompertz, D. Pollacco, T. Killestein, A. Kumar on behalf of GOTO collaboration GOTO SN Ia-91T-like 0.044 1 GOTO Spectrum consistent with a SN Ia-91T-like a few days before peak brightness, classified by template matching performed using SNID-SAGE (Stoppa, 2025) 2026TNSCR.491....1G
Spectra
ID Obs-date (UT) Tel / Inst Exp-Time Observer/s Reducer/s Group Spectrum ascii file Spectrum fits file Spec. Type Assoc. Groups End prop. period Remarks
22921 2026-02-05 01:49:54 LT / SPRAT 1400 Robotic GOTO tns_2026ccr_2026-02-05_01-49-54.221_LT_SPRAT_GOTO.dat Object

Comments

TNS
System

Tue, 02/24/2026 - 01:33

Object coordinates updated

Object coordinates updated according to AT-report 292651 of Group Pan-STARRS
Previous RA, DEC: 09:52:39.817, -11:54:19.66 (148.1659059, -11.9054606)
Updated RA, DEC: 09:52:39.836, -11:54:19.07 (148.165983261, -11.9052985264)

TNS
System

Sun, 02/22/2026 - 08:03

Object coordinates updated

Object coordinates updated according to AT-report 292181 of Group ZTF
Previous RA, DEC: 09:52:39.842, -11:54:19.26 (148.166009167, -11.90535)
Updated RA, DEC: 09:52:39.817, -11:54:19.66 (148.1659059, -11.9054606)

TNS
System

Fri, 02/06/2026 - 00:47

Object coordinates updated

Object coordinates updated according to AT-report 290057 of Group ATLAS
Previous RA, DEC: 09:52:39.828, -11:54:19.50 (148.16595, -11.905416)
Updated RA, DEC: 09:52:39.842, -11:54:19.26 (148.166009167, -11.90535)